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Lilit [14]
3 years ago
6

Find the dimensions of a rectangle with perimeter 84 m whose area is as large as possible.

Mathematics
1 answer:
Slav-nsk [51]3 years ago
8 0
21 and 21
(it's a square)
and yes, a square is a rectangle
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A triangle is such that the largest angle is three times the smallest angle. Find the measure of each angle
sammy [17]
Let x represent the smallest angle. Then the largest is 3x, and the remaining angle is 180-4x. The problem statement tells us
.. 3x > 180 -4x > x
Adding 4x gives us
.. 7x > 180 > 5x
or
.. 36 > x > 180/7 = 25 5/7

The angles, smallest to largest, are
.. x, 4(45 -x), 3x
where 25 5/7 < x < 36

The angles could be, for example, any of ...
.. 26°, 76°, 78°
.. 30°, 60°, 90°
.. 32°, 52°, 96°
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8 0
3 years ago
Which step can you use to solve the equation m+9=-2? <br> please help !!
nexus9112 [7]

Answer:

Subtract 9 from each side of the equation.

m = – 11

Step-by-step explanation:

m + 9 = – 2

To solve the above equation, we simply subtract 9 from each side of the equation.

This is illustrated below:

m + 9 = – 2

Subtract 9 from each side of the equation

m + 9 – 9 = – 2 – 9

m + 0 = – 11

m = – 11

Therefore, the value of m is – 11

6 0
3 years ago
If 20 articles cost ? 90, then the cost of 9 articles is ?<br> ? 45<br> ? 4.50<br> ? 40.50<br> ? 42
lapo4ka [179]

Answer:

40.50 is correct answer according to me

5 0
3 years ago
Two professional baseball teams played a four game series. Attendance for the first three games was 126,503 people, what was the
ioda

Answer: 44,815 people; 126,503 + n = 171,318; n = 171,318 − 126,503

6 0
3 years ago
If the radius of a circle is 15 then the diameter of the same circle is
Svetlanka [38]

30, radius is equal to half the diameter, so to get diameter from the radius, multiply the radius by two.

6 0
3 years ago
Read 2 more answers
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